The VapoChill Extreme Edition II 230V AC/115V AC offers an amazing 180 Watts of cooling at sub-zero temperatures for the hardcore and extreme overclocker!!!The VapoChill Extreme Edition II has the best core features from the VapoChill LightSpeed edition and as an extra ace - the designer case. Based on a 230V/115V compressor the need for a powerful Power Supply Unit is gone and the USB ChillControl with Windows based software ensures 100 % motherboard compatibility. The result is lower CPU core temperatures at maximum overclocks.